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Inspection Procedure

  1. CHECK DTC 
    1. Check for DTCs.
    2. Connect Techstream to the DLC3.
    3. By following the tester screen display, check whether any DTCs are output.

      Result 

      RESULT REFERENCE

      Result Proceed to
      No output A
      DTC output B

    B: PROCEED TO INSPECTION PROCEDURE RELEVANT TO OUTPUT DTC 

    A: Go to next step. 

  2. READ VALUE ON TECHSTREAM (D-DOOR MOTOR) 
    1. Use the Data List to check the function of the power window master switch.

      D-Door Motor 

      DATA LIST - D-DOOR MOTOR

      Item Measurement Item / Display (Range) Normal Condition Diagnostic Note
      D P/W Auto Switch Driver side power window AUTO switch signal / ON or OFF ON: Driver side power window AUTO switch operates
      OFF: Driver side power window AUTO switch does not operate
      -
      D P/W Up Switch Driver side power window UP switch signal / ON or OFF ON: Driver side power window UP switch operates
      OFF: Driver side power window UP switch does not operate
      -
      D P/W Down Switch Driver side power window DOWN switch signal / ON or OFF ON: Driver side power window DOWN switch operates
      OFF: Driver side power window DOWN switch does not operate
      -

      OK: ON (switch operates) appears on screen. 

    NG: Go to step   3 

    OK: REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side)  (See REMOVAL  )

  3. INSPECT POWER WINDOW MASTER SWITCH 
    1. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION TABLE

      Tester Connection Condition Specified Condition
      8 (U) - 1 (E) - 4 (A) Auto UP Below 1 Ω
      4 (A) - 5 (D) - 1 (E) Auto Down Below 1 Ω
      Fig 1: Identifying Power Window Master Switch Connector Terminals
      G05421113Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE POWER WINDOW MASTER SWITCH  (See REMOVAL  )

    OK: Go to next step. 

  4. INSPECT FUSE (DOOR NO. 2) 
    1. Remove the DOOR NO. 2 fuse from the instrument panel junction block.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION TABLE

      Tester Connection Condition Specified Condition
      DOOR NO. 2 Always Below 1 Ω

    NG: REPLACE FUSE (DOOR NO. 2) 

    OK: Go to next step. 

  5. CHECK WIRE HARNESS (MASTER SWITCH - REGULATOR MOTOR) 
    1. Disconnect the M1 and H1 connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFICATION TABLE

      Tester Connection Condition Specified Condition
      M1-4 (A) - H1-4 (AUTO) Always Below 1 Ω
      Fig 2: Identifying Power Window Master Switch & Power Window ECU Connector Terminals
      G05421149Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side)  (See REMOVAL  )